OT-2026-000021540
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000021540) never changes.
Identity and time
| Publication number | OT-2026-000021540 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-719e-8213-8e6778c4c86c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021540 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fde2c9d5e85f99155a59e672661c3db805a61fe5dac90a8f5521eb9dcff42df |
|---|---|
| Markdown | c5d004b5979e7e5a640cd28b45f530837121fa1cf54e10618cd49b50550dff32 |
| Publication page | 79298b5f7d50a107c0b82d747155ca0846cceeaf9e568b4a9695debed42388eb |
| Manifest | 47fb3b864fe8d08bc014a0c434f2c7f70a025c5ea3a6d78fa4374af1af8c3111 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | TQUNMSWAe1tTk80G1Ozz742GTN5iGMRsvJLc1RVIk/7obQLFAZN8HVsFUoUylGiS7vLo9mlV0j3l5Xn528wuBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:27.660822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021540observed 79298b5f7d50a107c0b82d747155ca08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:27.641469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021540/manifest.jsonobserved 47fb3b864fe8d08bc014a0c434f2c7f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.621809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021540/publication.mdobserved c5d004b5979e7e5a640cd28b45f53083...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.602690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021540/publication.txtobserved 8fde2c9d5e85f99155a59e672661c3db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|